- Prompt guidance for GPT-5.4
- Harness Engineering
- Using PLANS.md for multi-hour problem solving
- Using skills to accelerate OSS maintenance
- Run long horizon tasks with Codex
- ARCHITECTURE.md
- Using Linters to Direct Agents
- AGENTS.md outperforms skills in our agent evals
- AI Is Forcing Us To Write Good Code
- Parse, don’t validate
- Agent Skills
- Custom instructions with AGENTS.md
Important Links
2026-03-22
-